The quality of mine water discharge has improved significantly over the last decade, and research suggests that government could consider a transition away from current, active acid mine drainage (AMD) treatments, to a more passive approach. Council for Geoscience (CGS) environmental geosciences senior scientist Dr Godfrey Madzivire speaking at the 2022 CGS Summit, explained that AMD is currently treated using High-Density Sludge (HDS) treatment plants, which are costly and energy intensive.
